1971-1981 Pontiac Catalina V8 5.7L 12si High Output Alternator Bass Knobs *Please be advised

*Please be advised

You probably don't need them

This is a direct fit high-output alternator for the 1975-1984 Chevrolet G10 4

This is a direct fit high-output alternator for the 1996-1999 Chevrolet Tahoe 6

This is a direct fit high-output alternator for the 1982-1986 Chevrolet C10 6

1971-1981 Pontiac Catalina V8 5.7L 12si High Output Alternator Bass Knobs *Please be advisedFitment: This is a direct fit high output alternator for the 1971 1981 Pontiac Catalina 5. 7L. Being a direct fit, this alternator fits directly into your stock alternator location. Plug: This high output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high output alternator, and the other side will plug into the factory plug. NOTE: If you require charging at a certain voltage setpoint, we offer a